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AP Biology: Cell Cycle

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Section 1

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Prophase

Front

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Date created

Mar 1, 2020

Cards (32)

Section 1

(32 cards)

Prophase

Front

Chromatin condenses into chromosomes, spindle begins to form, centromeres move away from each other

Back

Telophase

Front

Two new nuclei begin to form inside one cell

Back

M Checkpoint

Front

checks that all chromosomes are attached to spindle fibers

Back

G0 (G zero)

Front

Temporary or permanent resting state for cells not dividing

Back

Mutation

Front

Any change in DNA

Back

46

Front

Represents the number of chromosomes in a human somatic (body) cell.

Back

2 Divisions

Front

A description of the events in meiosis

Back

Spindle

Front

Consists of fibers made of proteins; location where chromosomes attach

Back

1 Division

Front

A description of the events in mitosis

Back

Metaphase

Front

Chromosomes line up in the middle of the cell

Back

G2 Phase

Front

Growth stage in which the cell prepares for division; organelles replicate and spindle forms

Back

Diploid

Front

A cell with two copies of each chromosome

Back

Haploid

Front

A cell with half the number of chromosomes

Back

Chromosome

Front

coiled DNA; visible under the microscope

Back

G1 Checkpoint

Front

checks cell size, nutrients, space to grow and growth factors

Back

Density-Dependent Inhibition (Contact Inhibition)

Front

Cells stop dividing when it's too crowded in an area

Back

S Phase

Front

Phase where DNA is replicated (copied)

Back

Mitosis

Front

Division of the nucleus

Back

2 Identical Cells

Front

the product of mitosis

Back

Chromatin

Front

uncoiled DNA; found during interphase

Back

4 Different Cells

Front

the product of meiosis

Back

Cyclin

Front

Protein that increases and decreases throughout the cell cycle and activates enzymes needed for division

Back

Cancer

Front

Uncontrolled dividing of cells

Back

cyclin-dependent kinases (Cdks)

Front

enzyme to which cyclin binds during interphase and mitosis, triggering and controlling activities during the cell cycle

Back

Meiosis

Front

Process by which gametes are made

Back

G2 checkpoint

Front

checks for cell size and complete DNA replication

Back

Crossing Over

Front

Occurs during meiosis; increases genetic variation

Back

Cytokinesis

Front

Division of the cytoplasm

Back

G1 Phase

Front

Primary growth phase of the cell, occurs directly after mitosis

Back

23

Front

Represents the number of chromosomes in a human gamete (sperm or egg)

Back

Homologous

Front

Describes a pair of chromosomes; one maternal and one paternal

Back

Interphase

Front

Collective name for G1, S, and G2 Phases; non-dividing phase

Back